anyone else seeing very long AS paths?

Jon Lewis jlewis at lewis.org
Mon Feb 16 11:43:10 CST 2009


On Mon, 16 Feb 2009, John van Oppen wrote:

> Yep we saw the same, every customer with old IOS had their sessions die
> to us at the same time...   That always makes for an interesting time
> when watching the NMS system...

Is there a reason you don't use something like "bgp maxas-limit NN" on 
your transit sessions?

We saw this too, but it stopped at our transit routers.  There was 
actually another a few days ago.

Feb 13 18:46:07: %BGP-6-ASPATH: Long AS path 4323 1299 12887 12741 39412 
39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 
39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 
39625 39625 39625 39625...

Feb 16 11:24:53: %BGP-6-ASPATH: Long AS path 4323 3257 29113 47868 47868 
47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 
47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 47868 
47868 47868 47868 47868...


----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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